Filter unit having a filter cleaning nozzle associated with the filter unit and including a guide body
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United States of America Patent
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Dec 25, 2001
Issued Date -
N/A
app pub date -
Feb 14, 2000
filing date -
Feb 2, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter unit for filtering gas has at least one filter element with an outlet opening. A filter cleaning nozzle is located in a clean-gas chamber at a distance from the outlet opening and is connected to a source of pressurized primary cleaning gas via a control valve. Primary cleaning gas is ejected from an annular slot and along the outer side of a guide body located in the clean-gas chamber. The guide body is open to the secondary gas in the chamber.
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